import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken, getDictionary, getTenantList, setTenantList, getOrganList, setOrganList, getOrganId } from '@/utils/auth' // get token from cookie
import sessionStorageUtil from '@/utils/sessionStorageUtil'
import localStorageUtil from '@/utils/localStorageUtil'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

// permission judge function
function hasPermission(roles, permissionRoles) {
  if (roles.includes('admin')) return true // admin permission passed directly
  if (!permissionRoles) return true
  return roles.some(role => permissionRoles.indexOf(role) >= 0)
}

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  if (getToken()) {
    // determine if there has token
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done() // if current page is dashboard will not trigger afterEach hook, so manually handle it
    } else {
   
      let routes = sessionStorageUtil.fetchObject('BUILD-ROUTES')
      let hasAddRoutes = sessionStorageUtil.fetch('HAS-ADD-ROUTES')
      let hasGenerateRoutes = sessionStorageUtil.fetch('HAS-Generate-Routes');

      if(routes && routes.length && !hasAddRoutes){
          // 根据roles权限生成可访问的路由表
          router.addRoutes(routes) // 动态添加可访问路由表
          sessionStorageUtil.save('HAS-ADD-ROUTES', 1)
          //next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          router.replace(to.path)
      } else if(!hasGenerateRoutes) {
        store.dispatch('GenerateRoutes').then(accessRoutes => {
          console.log("store.dispatch")
          console.log(accessRoutes)
          sessionStorageUtil.save('HAS-Generate-Routes', 1);
  
          // 根据roles权限生成可访问的路由表
          router.addRoutes(accessRoutes) // 动态添加可访问路由表
          //next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          router.replace(to.path)
        }).catch(err => {
          store.dispatch('FedLogOut').then(() => {
            Message.error(err)
            next({ path: '/' })
          })
        })
      }
      next()
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${to.path}`) // 否则全部重定向到登录页
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
